Door handle



May 23, 1933. ROOT 1,910'Q'125 DOOR HANDLE Filed Jan. 2, 1932 INVENTORwmwsss Ca lERoo ATTORNEY Patented May 23, 1933 UNITED STATES CARL H.ROOT, OF DETROIT, MICHIGAN noon manna Application filed January 2,

This invention relates to door handles 7 which are particularlyadapted'for use on automobiles.

An object of the invention is the provision of a door handle which maybe looked a ainst operation either by a key exteriorly the automobile orwhich may be locked against movement interiorly of the automobile in theusual manner, but which will per- 10 mit the handle to be rocked withoutlacing any strain upon the locking mechanism.

A further object of the invention is the provision of a door handlehaving co-operating means upon the usual operating bolt for a lock sothat the handle may be rocked for releasing the usual catch for holdingthe door in position but the handle may be rockedwhen the catch has beenset to prevent opening of the door so that where unauthorized personswould attemptto open the door when the same has been locked, the handlewill be permitted to be rotated without injury to the locking mechanism.

This invention will be best understood 25 from a consideration of thefollowing detailed description, in view of the accompanyingdrawingforming a part of the specification; nevertheless, it is to beunderstood that the invention is not confined to the disclosure, beingsusceptible of such changes and modifications which shall define nomaterial departure from the salient features of the invention asexpressed in the appended claims.

In the drawing:

Figure 1 is a view in pers my improved handle 'applie bile door,

Figure 2 is a side. view in elevation of Q the handle and its associatedparts,

Figure 3 is a fragmentary lan view of the releasing mechanism for te'handle,

Figure 4 is a vertical section taken along the line 4-4 of Figure 3, and

Figure 5 is a. view in perspective of the movable sleeve which willpermit rockin of the handle when the door has been locfied Referringmore particularly to the drawing, designates a door of an automobile 50having a bushing 17 received within a transective showing to anautomothrough the hand-grip in a y the handle.

1932. Serial in. 584,581.

verse passage in the door in which is rocks ably mounted a barrel 18from .which projects an integrally, formed hand-grip 19; The barrel 181s hollow and a ocket extends ignment with the hollow passage inthebarrel 18 to receive alock 20 which has the usual key-slot 21 to receivea key that controls a lock for preventing operation of the usual bolt ofThe barrel 18, as shown in dotted lines in Fig. 2, is provided with alongitudinal passage or chamber 23v which receives the usual operatingbolt 24. This bolt extends through the bearing 17 in the door'16 and isprovided with a squared portion 25 which is connected with a lockingmechanism for releasing the bolt of the look when the handle 19 isoperated to open the door. However, when the operating bolt 24 is lockedagainst movement either by the lock 20 or by some form of leverassociated with the door and located interiorly of the car, the handle19 will be held against rocking or rotative movement. It Wlll beappreciated that where unauthorized persons attemptto enter a car andthey find that it is impossible to operate the handle 19 because of thelocked condition of the door, such persons will apply sufficient forceto the handle to rock the same against thelockin mechanism and therebybreak certain o the elementsconnected with the mechanism, mak' ing itnecessary for the owner'tosupply an entirely new equipment. In thepresent case the handle 19 will be permitted to be rocked or rotatedafter the door has been locked without causing any injury to themechanism of the locking device.

The inner end of the barrel 18 is provided with spaced notches 26 andsimilarly constructed lugs 27 which engage respectively lugs 28 andnotches 29 in an adjacent or co-operating end of a sleeve 30 which ismounted on the operating bolt 24 and maintained in contacting relationwith theinner end of the barrel 18 by means of a coil spring 31embracing the locking bolt and held in place by means of a nut 32threaded on the outer end 33 of the locking bolt 34.

The nut can be adjusted for varying the tension of the spring 31 on thesleeve 30.

The sleeve 30 is provided on the sleeve 35 which receives a set screw 36threaded 5 into a passage in the operating bolt 24. A

washer 37 is received by the bolt 24 and is engaged bythe inner end ofthe spring 31.

The set screw 36 in the slot 35 permits the sleeve to be shiftedlongitudinally of the 1 locking bolt 24 but to be held againstrotailalivlez1 movement whenever the locking bolt is The barrel 18 isprovided with pins 40 diametrically disposed which have their inner endsreceived within an annular groove having complementarily formed .lugsand notches interfitting with the notches and lugs on the barrel, a nutthreaded on the bolt in spaced relation with the sleeve, a coil springon the bolt between the nut and the sleeve for retaining the lugs andnotches in operative relation so that the bolt may be rotated by thebarrel when the bolt is free to rotate, a and means connecting-thesleeveto the bolt while providing for sliding movement of the sleeve onthe bolt againstthe tension of the spring when the bolt is lockedagainst rotative' movement. CARL H. ROOT.

41 in a locking bolt 24, so that the barrel ma be revolved upon the boltby the pins an prevent reciprocation ofthe barrel on the bolt.

The operation of my device is as follows: 7

It is immaterial whether the operating bolt 24 is locked againstrotation by the lock 20 or by an internal locking mechanism which willprevent the normal operation of the handle 19 for releasing the doorsince the present device will operate equally as well with any of theusual types of locking mechanism for a door.

I If, however, the operating bolt 24 has been 1 locked against movementin some well known manner and an unauthorized person will attempt toopen the door through manipulation of the hand-piece 19, the barrel 18may be rocked or rotated so that the lugs 35 27' on the inner end of thebarrel 18 will move outwardly of the respective notches 29 in the sleeve30 and force the sleeve inwardly against the tension of the. spring 31until the similarly constructed lugs on the inner end of the sleeve orbarrel 18 and the sleeve are restingupon each other. Further rocking. ofthe hand-grip 19 of the barrel 19 will cause the lugs on one of theelements to slip back. into the respective notches on the other element.It will. be seen that a number of revolutions of the 'handle'19 may bemade without in any way affecting the rocking of the rod or placin anystrain on the bolt 24. e

The tension of the spring 31 is sufiiciently clear to maintain thelugsand notches of the sleeve 30 respectively engaged with the notches andlugs on the inner end of the bar-rel 18 so that the handle 19 may berevolved and likewise the sleeve 30 is rotating the operating bolt 24 torelease the usual locking bolt of the lock when the locking device hasbeen released.

I claim: I u A handle for doors comprising an operating bolt adapted tobe locked against rotation, a barrel rotatable on the bolt and providedon the inner end with alternately disposed notches and lugs, a sleeve onthe bolt located externally of the barrel and

